Add a simple helper to remap values (#2850)

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Jesse Hills 2021-12-02 21:23:11 +13:00 committed by GitHub
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commit f0bcf81a98
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@ -415,4 +415,14 @@ optional<T> parse_number(const std::string &str) {
///@}
/// @name Number manipulation
///@{
/// Remap a number from one range to another.
template<typename T, typename U> T remap(U value, U min, U max, T min_out, T max_out) {
return (value - min) * (max_out - min_out) / (max - min) + min_out;
}
///@}
} // namespace esphome